<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<link rel="stylesheet" type="text/css" href="css/style.css">
	<title>定位任务</title>
</head>
<body>
	<div class="center">
	<div class="lefttop"></div>
	<div class="rightbottom"></div>
		
	</div>

</body>
</html>